Automatic weft-replenishing loom.



APPLICATION FILED MAY 18, 1908.

Patented Aug. 24. 1909.

3 SHEETS-BHEET 2.

NcnmsPnln: m MIMI msw'ucm o c G. P. HUTGHINS. AUTOMATIC WEFT REPLENISHING LOOM. APPLICATION FILED MAY 18I 190B.

932, 1 31 Patented Aug. 24, 1909.

3 SHEETS-SHEET 3.

mmumir 11mm u swam/ho a 77m I in UNITED. STATES PATENT oFFrcE.

GEORGE FJHUTCHINS, OF WORCESTER, MASSACHUSETTS, ASSIGNOR TO CROHPTON 8; KNOWL ES LOOK WORKS, A CORPORATION OF MASSACHUSETTS.

AUTOMATIC WEFT-REPLENISHING LOOM.

' sliecification of Letters Patent.

Patented Aug. 24, 1906.

Application med-ma is, 1908. Serial No. 433,421. 1 I

To all whomiiit may concern:

Be it known that. I, GEORGE F. HUTCHINS,,

a citizen of the United. States, residing at \Vorcestcr, in the county of Worcester and State of .\'lassachusctts, have invented certain new and useful Improvements. in Automatic Weft-Replenishing Looms, of which the fol, Y lowing is a. specification.

My invention relates-to automatic weft replenishing lo.oms'f; and particularly to that class of looms. which'have a stationary magazinc for b ohbinsor filling carriers at one end of the. lay, with two or more sets of com art- .-.II1eI1tS Ol" guidegways for superposed .5...bins o'r'-j filling carriers each .set preferably of a diff-Brent color or character, and shifting or change shuttle boxes at the other end of ,the my; and mechanical. filling. detecting mechanism .to detect practical or substantial exhaustion .of filling in the. bobbin or filling earr-ieriin the activeshuttle, to put into operation the filling sup "1y mechanism .to supply fresh-filling in said s uttle. I gl n-gmypresent improvements, the-filling 25.;detect in mechanism, which corresponds -..-to the. filling detecting inechanism shown and .described in my pending a plication for United-States Letters Patent, erial N o. .i-.3 22, 6.80, is located at the magazine end of 0 thej loom,. and on theback of the .laywhere thefi'stationary shuttle box is located. The

.filling detector acts to detect. the practical or substantial. exhaustion of, filling in the active shuttle as the lay comes forward, .to

. 3 .-put, into. operation mechanism. to; cause. a

.changeof. filling in said shuttle, when it .comes under. the magazine-thenext time,

' -Whichma be duringthe nextfor ward move- ..ment of it e. lay, in case the same'shuttle .re

t mainsactive, or if said shuttle is changed when. it. is returned to the shiftingshuttle box endzof; the loom, then the ,movement causedby thefillin'g detector.willibed'elayed on heldin abey-ance until said/shuttle. is ,Jbrou'ght into action again.

' I have. shown in the.drawings a detached .pastof. a weft replenishing. loomof the class I referred .to, ..with a stationary magazine of the typeshown and; described. inthe pending #0., application ..for United States Letters Patent, Serial .No. 415,629, combined with othermechanisms connected with the. filling vse- .lecting miechanisnn. and .the transferring mechan1sm, shown and described in other.

5 applications for patents -n ow gending in ,the

PatentOflice, with my improvements combined therewith, sufficient to enable those skilled in the art to understand the construction and operation of my improvements.

Referring to the drawingsz-Figure 1 is a side view of the magazine end of. a weft.replenishing loom of the class referred to, with my improvements applied thereto; the magazine, stationary shuttle box, and the lay beam are shown in .section. Fig. .2 shows, on an enlarged scale, the detecting mechanism shown in Fig. 1. Fig. 3 shows the filling detector at the back of the .lay, looking in. the direction of arrowa, Fig. 2. Fig. 4 is a plan view of the .partsshown in Fig. 3, looking in the direction of.arrow b, same figure. Fig. 5 corresponds to Fig.4,

but shows some of the parts in adifierent position, and also shows some .parts not shown in Fig. 4, and Fig. 6 is a. detaihsection, on line 6, 6, Fig. 2, looking in the direction of arrow (1, same figure. v

- In the accom anying drawings,- 1 is the loom side or em framefQ the loom arch, .3 the lay carried onthe lay sword 4,.which is pivoted at its lower .end at 5, and operated, through the crankconnectorfi bythe crank shaft 7, in the usualway; k I

'8 is a single stationary shuttle .boxat the. magazine end fof. the loom, and 9.2. shuttle havinga b'obbinlO therein.

I A stand 11, Fig;'-3, is secured to the rear of thelay and .carries a stud. 12 onnvhich is loosely pivoted the hub 13, see Fig. 2,of. an upright level" 13. The u 'wardly extending arm ofthelelver 13 has a oss 13'. carrying av stud 14,- on ,whieh is, loosely (mounted the .hub 15 of asecond uprightlever. 15. The upper enlarged-ends. 13.' and .15", .respec'- ,t vely, of the levers-13 and 15, areadapte'd to engage the ball shaped end 16 f-thefilling detector or feeler 16, said-ball shaped endektehding between; said..-levers .113 and .15.: A' helically coiled contraction spring :15 is connected at its upper'en'd to an'extension 15, on the lever: 15, ;and ate-its .lower end .to an outwardly extendinga'rmf 13 on thelever 13,. see Fig. 3. The spring the levers 13' and15 'in engag'ement.withfl1e ep'ediheadnr' end, 16 onitho feeler, 16} h s- 6-1 t hub. 16 'ei imtably secured. by as'et-screw 17 ,-;.-in thi i ta I15Yacts to yieldingly hold theuppei endsof.

the upper end ofian upright shaft 8.,Iam'l-the P the feeler 16 extends the back wall of the ted to bin in detecting end 16" .of through an opening in shuttle box 8, see Fig. 4, and is ada feel against the filling 10 on the ho. the active shuttle.

The upright shaft 18-is loosely mounted at its upper and lower ends in bearings 11 and 11 on the stand 1.1, and extends. through the wooden portion of the lay beam i3,'see

-The lower end of the shaft 18 has secured thereon the hub 19 of an arm 19, and to the end of the arm 19 is pivotally attached one end of an adjustable rod or connector 20; the other end of said connector 20 is pivotally attached to an extension 21. on the dagger 21, which has its hub 21 loosely mounted on a stud 22 secured to the stand 11, see Fig. 3. A helically coiled contraction spring 23 is attached at one end to a lug or ear 21 on the hub 21 of the dagger 21, see Figs. 4 and 5, and at its other end to astationary bracket 23 on the lay beam, see Fig. 2. The spring 23 acts against the spring 15 of the upright levers 13 and 15, but is not strong enough to overcome the action of the spring 15, but causes the feeler 16 to press very slightly against the filling on the bobbin when engaging said filling. To the lever 13 in this instance is pivotally attached one end of an adjustable rod 24; the other end of said rod is pivotally attached to one arm of an angle lever 25, having its hub 25 mounted on a stud 25 on the stand 11. The other arm of the angle lever 25 is pivotally attached to the upper end of a connector 26; the lower end 0 said connector 26 is attached to one arm of a cam lever 27, see Fig. 1, which is pivotally mounted on a stud 27 on a bracket 27 secured to the loom frame. The other arm of the cam lever 27 engages in this instance the periphery of a cam 27, which is fast on the ottom shaft 27, and is held in engagement therewith by a helically coiled contraction spring 27 The rotation of the cam 27, through the cam lever 27, and the connector 26, will at the proper time move the lever 13 and the lever 15 pivoted thereon, and cause the fillingdetector 16 to be moved in and out of the shuttle.

The dagger 21, through the movement of:

the filling etector 16, the shaft 18,connector 20, and the extension 21, s adapt-ed to be moved into andout of the ath of a lever 28, which in this instance is provided with an offset 28, see Fig. 4, with which the end of the dagger 21 is ada ted to engage, to move said lever 28, which leve'r has its hub 28 in this instance mountedon a bushing 29, which is screwed onto a threaded bolt 30 se'-. cured in this instance in the inner end of a stand or bracket 31 secured to the end of the loom frame, see Figs. 2 and 6. A nut '32 is scribed in said application for a patent, Se-

screwed onto the threaded end of the bushing 29 to hold the hub 28 of the lever 28 in proper position on said bushing, and a set screw 33 holds the nut 32 in place. The bushingQQ'may be turned on its sup orting bolt 30, to vary the lateral position 0 the le' ver 28, and a set screw 34 is screwed into the end of said bushing, to hold it in its adjusted position. 1 t

A small helically coiled expansion spring 35 bears at one end against an car 28' on the lever 28, and at its other end extends into a recess in a lug 31 on the stand 31. Said spring'35 acts to yieldingly move forward the lever 28. The lever 28 has extending out from its hub 28' an arm 28 to' which is pivotallyconnected the lower end of a rod 36.

The upper. end of said rod 36 is guidingly. held in an extension 37 on a swinging frame 37, mounted on a longitudinal sliding rod 38. 8 The longitudinal movement of the rod 38, in connection with the swinging frame 37, is controlled in this instance through a le er 39 and'a connection 40 to a pattern surface, notshown, located at the opposite end of the loom. This mechanism is fully shown anddescribed in a pending application in the Fat ent Office, Serial No. 415,629, and forms no part of my present invention.

A helically coiled contraction spring 41 is attached at one end to the lever 39, and at its other end to a stationary part of the loom, not shown, and acts to yieldingly hold the lever 39 and move the rod 38 in one direction.

The magazine 42 is in this instance oft-he stationary type, and has two vertically extending compartments or guide-ways 42 for two sets of bobbins 10. At the lower end of each compartment 42' is located a rocking sup ort or cradle 43, to sup ort and release the obbins 10 as they may lie selected by a attern surface not shown, according to the ongitudinal movement of the rod 38 and the swinging frame 37, to bring the upper hooked end of theuprightrod 36 over an arm 44, or an arm 45, connected with the rockingsupports or cradles 43, and the downward move ment of the rod 36, throu h the engagement of the dagger'21 with the ever 28, will cause the rocking of a support or cradle 43, toallow thelowes't bob in 10 in a compartment to drop down and be supported by said cradle, as shown at the right in F' 1,-and at the next forward movement of t 1e lay, in case there is no change of shuttle boxes at the, no shifting shuttle box end of the loom, said bobbin 10 will be dropped to the discharging end of the magazine, and the transferrer arm 46 of the transferrer mechanism, through the engagement of the bunter 47 on the lay with the latch or dagger 48 on the trans'ferrer arm w e operated to transfer a bobbin from i I the aagazine into the shuttle, all as fully derial No. 415,629.

substantially A verticall moving late 50 is located at the front of't e breast lieam, see Fig. 2, and has an elongated slot 50 in its upper end, into which .extendsa stud 51 on an arm 52 connected with the transferrer mechanism. To the lower end of the plate 50 is connect+ ed the upper end of a rod or connector 53; the lower end of said rod or connector 53 is attached to one arm of a centrally mounted cam lever 54. The other arm of said cam lever 54 is adapted to engage with and be operated by cam 55 fast on the bottom shaft 27.

To the upper end of the plate 50 is secured one end of an angle'plate 56. The other end 56' of the angle plate 56 extends inwardly toward the lay, and is inclined outwardly as shown in Fig. 5, so'that the raising of the plate 50, preparatory to the operation of the transferrer mechanism after the detection of substantially exhausted filling in the active shuttle, will, on the next forward movement of the lay, preparatory to the transfer of filling, raise the angle plate 56, and the inwardly extending-end 56 of said plate 56* will be moved into the path of the dagger 21, and as the lay continues to move forward, the engaging end of the dagger 21 will travel along on said end 56, and through connections to the filling detector 16, will positively move and hold the filling detector out of and away from the shuttle, as shown by broken lines in Fig. 5, to allow of the free transfer of the substantially exhausted bobbin from the shuttle, and the insertion of a new bobbin, as will be understood by those skilled in the art. 1

The operation of my improvements will be readily understood by those skilled in the art. In the normal operation of the loom, the engagement of the feeler 16 with the filling on the bobbin in the shuttle, will hold the fecler away from the bobbin, and through the rock shaft 18, arm '19, connector 20, and extension 21 on the dagger 21, will hold the dagger out of the path of the lever 28 on the forward movement of the lay. When the filling on the bobbin; in the active shuttle is said. dagger, on the forward movement of thelay, with said lever28, will cause the operation of theselecting mechanism of the magazine above described, and cause the preparatory to. bein ..proper bobbin in the magazine to drop down, transferred into the,

actlve shuttle. On

t e next forward movement of the lay,

bobbin is dropped to the lower end of the end, a fillin magazine en of the loom to detect substanexhausted, as showin in Fig." 4,. the filling detector 16, will enter'the shuttle as shown, and through the shaft 18, arm

will Inovethe dagger 2 1 into, the path of the lever 28, and the engagementof the lay, to detect "mechanism to cause a change of in case there is no change'of the shuttles at the box end of the loom, the,

end, a filling the transferring mechanlsm is operated and the fresh bobbin transferredinto the active shuttle to take-tho place of the substantially exhausted bobbin therein. During the transferring operation the filling detector 16 is held away from the shuttlef'as shown by broken lines in Fig. 5, by the engagement of the dagger 21 with the inwardly extending end 56 on the plate 56, as will be ful y understood by those skilled in the art.

It will be understood, that the details of construction of my improvements may be varied if desired.

Having thus described my invention, what I claim as new and desire to secure by Letters Patent is':-

1. In a weft replenishing loom having a magazine for bobbins or filling carriers at one end, a filling detector mechanism at 'the magazine end of the loom to detect substanmechanism connected wit-hthe weft replenishing mechanism on the substantial exhaustion of filling in the active shuttle.

2. In a weft replenishing loom having a magazine for bobbms or fillin carriers at one detector mec anism at the tial exhaustion of filling in the active shuttle, comprising a filling detector carried on the lay at the rear of the stationary shuttle box, to engage with the filling in the shuttle through an o ening. in the rear of .the Sta tionary shutt e box, intermediate connections from said filling detector to carried on the lay, and said dagger, adapted to ut into operation mechanism connected wit the weft replenishing mechanism on the substantial exhaustion of filling in the active shuttle.

a dagger 3. In an automatic weft replenishing loom having a statioiiary magazme at one end of the lay with a plurality of com artments or guide-ways for s11 erposed .bob ins or filling-- carriers, and shifting or change shuttle boxes"- atl'the other end of the lay,

a mechanical filling detecting mechanismglocated at the magazine end of the loom and on the back of practical or subst ntial exhaustlonof filling 1n the-active shufile as the lay comes forward, and to put into 0 eration I lling in said shuttle when it. comes under the magazine the next time; 4. Ina weft replenishing loom having a magazine for bobbins or fillin carriers at one detector mec ianism at the magazine on of the loom to detect substantial exhaustion of fillingin the active shut tle, comprising a filling detector carried on the lay to engage with the filling in the shuttion to engage-a lever connected with the selecting mechanism of the magazine, and said lever. I

5.- In a weft, replenishing loom having a magazine for b'ohblns or filling carriers at one en a fillin detector mechanism at the magazine en of the loom to detect substantial exhaustion of filling in the active shuttle, comprising a filling detector carried on the lay to engage with the filling in the shuttle,intermed1ate connections from said filling detector to a dagger carried on the lay, and said dagger, adanted to he moved into posi' tion to engage al lecting mechanism of the magazine, and said ever connected with the selever, and means for adjusting the lateral position of said lever.

' 6. In a weft replenishing loom having a magazine for bobb ns or fillin carriers at one end, a filling detector -mec anism at the magazine end of the loom to detect substantial exhaustion of filling in the active shuttle, comprising a filling detector carried on the lay to engage with the filling in the shuttle,

intermediate connections from said filling .detector to a dagger carried on the lay, and

said dagger, ada )ted to be moved into posilever connected with the se and said lever, and means for en agin and moving 7 said dagger to hold the filling etector out of tion to engage a lecting mechanism of the magazine,

the transfer 01' filling. GEORGE F. HUTCHINS.

Witnesses:

M. Haas, J. C. DEWEY.

the shuttle on 

